Patent · US Active

Spectacle lens and method for making the same

US10663764B2 · kind B2 · utility

1Cited by

6References

1Claims

0Family size

Assignees

Carl Zeiss Vision International GmbH · DE
Carl Zeiss Vision Ireland Ltd. · IE

Inventors

Ralf Meschenmoser · Oberkochen, DE
Timo Kratzer · Aalen, DE
Paraic Begley · Adelaide, AU
Stephen Brown · Adelaide, AU

Key dates

Filing date	Dec 1, 2014
Grant date	May 26, 2020
Priority date	—
Expiry date	Dec 1, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T156/1089
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A method for manufacturing a spectacle lens includes the steps of providing an integral main lens. The integral main lens has a front surface and a back surface and is at least one selected from a group consisting of a spherical power lens, an astigmatic power lens, and a lens having a main curvature of the front surface in a first meridian and a main curvature of the back surface in the first meridian which are different so as to provide for a spherical power different from zero; and applying at least one additional lens element to at least a part of the front surface and/or at least a part of the back surface, wherein the at least one additional lens element includes at least one layer having a multitude of layer elements, in particular printed layer elements. Further, the invention is directed to a corresponding spectacle lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.